Table 2.

Demographic information on infected cases by February 12, 2020

Variable	Shenzhen		Hefei
	N	%	N	%
No. of cases	386	100	157	100
Incidence ratio	0.035‰		0.020‰
Age
≤ 10	24	6.22	2	1.27
11 ~ 20	16	4.15	4	2.55
21 ~ 30	33	8.55	29	18.47
31 ~ 40	87	22.54	30	19.11
41 ~ 50	61	15.80	41	26.11
51 ~ 60	71	18.39	29	18.47
61 ~ 70	80	20.73	12	7.64
≥ 71	16	4.15	10	6.37
Sex
Male	184	47.67	84	53.50
Female	202	52.33	73	46.50
Residence
Local	234	60.62	116	73.89
Hubei	136	35.23	28	17.83
Other places	15	3.89	11	7.01
Travel history
Hubei	287	74.35	42	26.75
Other places	30	7.77	16	10.19
No travel history	68	17.62	97	61.78